For the Inventor, By the Inventor

Enter assignee name

Greenville, PA, United States of America

Werner Co.

USPTO Granted Patents = 217

CIPO Patents = 24

EPO Patents = 21

Trademarks = 75

Forward Citations = 1,358

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148 inventors (with patents filed for the assignee):

Thomas W Parker (54 out of 60 patents)

Robert D Beggs (31 out of 37 patents)

Kyle G Astor (25 out of 25 patents)

4. Joseph C Dangrow (24 out of 25 patents)

5. Daniel C Mora (17 out of 18 patents)

6. Steve Woodward (14 out of 14 patents)

7. Brett A Latimer (14 out of 15 patents)

8. Tek Lentine (13 out of 15 patents)

9. James J Grebinoski (11 out of 11 patents)

10. Ivan D Lopez (10 out of 11 patents)

11. Daniel Massam (10 out of 16 patents)

12. Thomas Murray (10 out of 18 patents)

13. David E Plotner (9 out of 9 patents)

14. David Andrew Winslow (9 out of 11 patents)

15. Kevin L McIntire (8 out of 8 patents)

Core Competencies:

Multi-Position Ladders

Extendable Section Lock Assembly

Ladder Components

Climbing Products

Work Platforms

Interlocking Ladders

Harness Adjustment Devices

Storage Box Latch Systems

Self-Retracting Lifelines

Composite Rungs

Expansion Bolt Mechanisms

Vehicle Bulkheads

217 patents: Sort by Forward Citations

1. 12497835 - Ladder and ladder top with tool slot (2025-12-16),

2. 12497789 - Interlocking work platform system (2025-12-16),

3. 12492596 - Three section extension ladder (2025-12-09),

4. 12473782 - Multi-position ladder and portions thereof (2025-11-18),

5. 12448841 - Climbing product having an extendable section lock assembly (2025-10-21),

6. 12398597 - Ladder and ladder top (2025-08-26),

7. 12398595 - Climbing product having an extendable section lock assembly (2025-08-26),

8. 12392197 - Ladder, top and method (2025-08-19),

9. D1088279 - Ladder top (2025-08-12),

10. D1088277 - Ladder top (2025-08-12),

11. 12359507 - Strand grab, ladder and method (2025-07-15),

12. 12320133 - Stairway work platform and method (2025-06-03),

13. 12312865 - Interlocking ladders and components thereof (2025-05-27),

14. D1065977 - Lock bezel (2025-03-11),

15. D1065600 - Ladder top (2025-03-04),

Werner Co. is a global leader in the manufacturing and distribution of professional-grade ladders, ladder accessories, and climbing equipment. With over 70 years of expertise, Werner offers innovative products designed to enhance safety and productivity for professionals and DIYers alike. Their extensive range includes ladders for various applications, such as industrial, commercial, and residential use. With a commitment to quality, innovation, and customer satisfaction, Werner Co. has become a trusted name in the industry.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

217 Patents

#1 in Greenville, PA

#75 in Pennsylvania

#1,853 in US

#3,817 in the World

Greenville, PA, United States of America

Werner Co.

Forward Citations = 1,358

148 inventors:

Thomas W Parker (54 out of 60 patents)

Robert D Beggs (31 out of 37 patents)

Kyle G Astor (25 out of 25 patents)

4. Joseph C Dangrow (24 out of 25 patents)

5. Daniel C Mora (17 out of 18 patents)

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